(HealthDay News) -- Bronchitis is typically caused by a respiratory virus, and much less frequently, by a bacterial infection, the American Lung Association says.
Risk factors include having close contact with someone who has bronchitis, failure to get age-appropriate vaccinations, and exposure to tobacco smoke, fumes, dust and air pollution.
The American Lung Association says symptoms of bronchitis typically include:
RFK Jr. Says Fewer Flu Vaccines for Kids May Be a 'Better Thing'
Flu Season Starts Early in NYC as Cases Rise Fast
Nasal Spray Flu Vaccines Create 'Battlefield' In Adults' Noses
Sepsis, Lung Infection Patients See No Benefit From Remote Monitoring
New Flu Strain Weakened This Year’s Vaccine Protection, CDC Says